Andromeda in a Single Shot
How far can you see?TheAndromeda Galaxy, 2.5 million light years away, is the most distantobject easily seen by the unaided eye.Other denizens of the night sky, like stars, clusters, and nebulae,are typically hundreds to thousands of light-years distant.That’s far beyond the Solar System but well withinour own Milky Way Galaxy.Also known as M31, the external galaxy posesdirectly above a chimney in this well-planneddeep night skyscapefrom an old mine in southern Portugal.
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